#!/usr/bin/python3
# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
import json
import atheris

import prison


def TestOneInput(data):
  fdp = atheris.FuzzedDataProvider(data)
  val_to_use = fdp.ConsumeUnicodeNoSurrogates(32768)

  # Ensure it's valid json.
  try:
    json.loads(val_to_use)
  except:
    return

  try:
    loaded = prison.loads(val_to_use)
  except prison.decoder.ParserException:
    pass

  return


def main():
  atheris.instrument_all()
  atheris.Setup(sys.argv, TestOneInput)
  atheris.Fuzz()


if __name__ == "__main__":
  main()
